Keystones — Bedrock
Five GCSE retrieval questions · 25 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 75
Answer: 20 + 75 = 95 -
2. Algebra Substitution
If x = 10, find the value of 2x + 7
Answer: 27 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 13, 8, 14
Answer: 11.666666666667